Examine source code of Strange World

{
  "theme": {
    "images": {
      "theme_frame": "strangeworld_pheader.jpg"
    },
    "colors": {
      "frame": "#1d347a",
      "tab_background_text": "#aeffa8"
    }
  },
  "version": "2.0",
  "name": "Strange World",
  "manifest_version": 2,
  "description": "Based from the piece 'Escape From Xen' @ <a href=\"https://outgoing.prod.mozaws.net/v1/baff16e54681ca56608b2963ef0f94b41860a3ad7811edc0a195741b34af09b1/http%3A//novacrononthespot.com\" rel=\"nofollow\">novacrononthespot.com</a>"
}